diff --git a/Cargo.lock b/Cargo.lock
index 7a1f6ed7..8f0381ab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -145,7 +145,7 @@ checksum = "3b43422f69d8ff38f95f1b2bb76517c91589a924d1559a0e935d7c8ce0274c11"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -167,7 +167,7 @@ checksum = "c7c24de15d275a1ecfd47a380fb4d5ec9bfe0933f309ed5e705b775596a3574d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -184,7 +184,7 @@ checksum = "e539d3fca749fcee5236ab05e93a52867dd549cc157c8cb7f99595f3cedffdb5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -300,7 +300,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -347,7 +347,7 @@ dependencies = [
  "aya-log-parser",
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -486,9 +486,9 @@ checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
 
 [[package]]
 name = "bytemuck"
-version = "1.22.0"
+version = "1.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6b1fc10dbac614ebc03540c9dbd60e83887fda27794998c6528f1782047d540"
+checksum = "9134a6ef01ce4b366b50689c94f82c14bc72bc5d0386829828a2e2752ef7958c"
 
 [[package]]
 name = "byteorder"
@@ -568,9 +568,9 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
 [[package]]
 name = "cc"
-version = "1.2.19"
+version = "1.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e3a13707ac958681c13b39b458c073d0d9bc8a22cb1b2f4c8e55eb72c13f362"
+checksum = "04da6a0d40b948dfc4fa8f5bbf402b0fc1a64a28dbf7d12ffd683550f2c1b63a"
 dependencies = [
  "shlex",
 ]
@@ -949,7 +949,7 @@ checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -987,7 +987,7 @@ dependencies = [
  "proc-macro-error2",
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -1027,7 +1027,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -1045,7 +1045,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -1196,7 +1196,7 @@ checksum = "1a5c6c585bc94aaf2c7b51dd4c2ba22680844aba4c687be581871a6f518c5742"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -1280,7 +1280,7 @@ checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -1338,9 +1338,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+checksum = "335ff9f135e4384c8150d6f27c6daed433577f86b4750418338c01a1a2528592"
 dependencies = [
  "cfg-if",
  "libc",
@@ -1783,7 +1783,7 @@ checksum = "1ec89e9337638ecdc08744df490b221a7399bf8d164eb52a665454e60e075ad6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -1985,7 +1985,7 @@ checksum = "199b7932d97e325aff3a7030e141eafe7f2c6268e1d1b24859b753a627f45254"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -2418,7 +2418,7 @@ checksum = "af1844ef2428cc3e1cb900be36181049ef3d3193c63e43026cfe202983b27a56"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -2537,7 +2537,7 @@ checksum = "6e918e4ff8c4549eb882f14b3a4bc8c8bc93de829416eacf579f1207a8fbf861"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -2703,7 +2703,7 @@ dependencies = [
  "proc-macro-error-attr2",
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -2735,7 +2735,7 @@ dependencies = [
  "itertools 0.14.0",
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -2826,7 +2826,7 @@ checksum = "cf103ba4062fbb1e8022d9ed9b9830fbab074b2db0a0496c78e45a62f4330bcd"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -2869,7 +2869,7 @@ dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -2882,7 +2882,7 @@ dependencies = [
  "proc-macro2",
  "pyo3-build-config",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -2947,7 +2947,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom 0.2.15",
+ "getrandom 0.2.16",
 ]
 
 [[package]]
@@ -3049,7 +3049,7 @@ checksum = "a4689e6c2294d81e88dc6261c768b63bc4fcdb852be6d1352498b114f61383b7"
 dependencies = [
  "cc",
  "cfg-if",
- "getrandom 0.2.15",
+ "getrandom 0.2.16",
  "libc",
  "untrusted",
  "windows-sys 0.52.0",
@@ -3200,7 +3200,7 @@ checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -3337,9 +3337,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.100"
+version = "2.0.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b09a44accad81e1ba1cd74a32461ba89dee89095ba17b32f5d03683b1b1fc2a0"
+checksum = "8ce2b7fc941b3a24138a0a7cf8e858bfc6a992e7978a068a5c760deb0ed43caf"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3360,7 +3360,7 @@ checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -3438,7 +3438,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -3449,7 +3449,7 @@ checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -3553,7 +3553,7 @@ checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -3569,9 +3569,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.14"
+version = "0.7.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b9590b93e6fcc1739458317cccd391ad3955e2bde8913edf6f95f9e65a8f034"
+checksum = "66a539a9ad6d5d281510d5bd368c973d636c02dbf8a67300bfb6b950696ad7df"
 dependencies = [
  "bytes",
  "futures-core",
@@ -3684,7 +3684,7 @@ checksum = "395ae124c09f9e6918a2310af6038fba074bcf474ac352496d5910dd59a2226d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -3952,7 +3952,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
  "wasm-bindgen-shared",
 ]
 
@@ -3974,7 +3974,7 @@ checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -4195,7 +4195,7 @@ checksum = "9107ddc059d5b6fbfbffdfa7a7fe3e22a226def0b2608f72e9d552763d3e1ad7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -4206,7 +4206,7 @@ checksum = "2bbd5b46c938e506ecbce286b6628a02171d56153ba733b6c741fc627ec9579b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -4217,7 +4217,7 @@ checksum = "a47fddd13af08290e67f4acabf4b459f647552718f683a7b415d290ac744a836"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -4228,7 +4228,7 @@ checksum = "29bee4b38ea3cde66011baa44dba677c432a78593e202392d1e9070cf2a7fca7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -4239,7 +4239,7 @@ checksum = "053c4c462dc91d3b1504c6fe5a726dd15e216ba718e84a0e46a88fbe5ded3515"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -4250,7 +4250,7 @@ checksum = "bd9211b69f8dcdfa817bfd14bf1c97c9188afa36f4750130fcdf3f400eca9fa8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -4594,28 +4594,28 @@ checksum = "2380878cad4ac9aac1e2435f3eb4020e8374b5f13c296cb75b4620ff8e229154"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
  "synstructure",
 ]
 
 [[package]]
 name = "zerocopy"
-version = "0.8.24"
+version = "0.8.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2586fea28e186957ef732a5f8b3be2da217d65c5969d4b1e17f973ebbe876879"
+checksum = "a1702d9583232ddb9174e01bb7c15a2ab8fb1bc6f227aa1233858c351a3ba0cb"
 dependencies = [
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.24"
+version = "0.8.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a996a8f63c5c4448cd959ac1bab0aaa3306ccfd060472f85943ee0750f0169be"
+checksum = "28a6e20d751156648aa063f3800b706ee209a32c0b4d9f24be3d980b01be55ef"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -4635,7 +4635,7 @@ checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
  "synstructure",
 ]
 
@@ -4656,7 +4656,7 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
 
 [[package]]
@@ -4678,5 +4678,5 @@ checksum = "6eafa6dfb17584ea3e2bd6e76e0cc15ad7af12b09abdd1ca55961bed9b1063c6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.100",
+ "syn 2.0.101",
 ]
diff --git a/mitmproxy-contentviews/src/protobuf/reencode.rs b/mitmproxy-contentviews/src/protobuf/reencode.rs
index 1d00443a..ea023009 100644
--- a/mitmproxy-contentviews/src/protobuf/reencode.rs
+++ b/mitmproxy-contentviews/src/protobuf/reencode.rs
@@ -176,3 +176,18 @@ fn int_value(n: Number, field: Option<&FieldDescriptor>) -> UnknownValue {
 fn encode_zigzag64(n: i64) -> u64 {
     ((n << 1) ^ (n >> 63)) as u64
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_decode_zigzag64() {
+        assert_eq!(encode_zigzag64(0), 0);
+        assert_eq!(encode_zigzag64(-1), 1);
+        assert_eq!(encode_zigzag64(1), 2);
+        assert_eq!(encode_zigzag64(-2), 3);
+        assert_eq!(encode_zigzag64(0x7fffffff), 0xfffffffe);
+        assert_eq!(encode_zigzag64(-0x80000000), 0xffffffff);
+    }
+}
diff --git a/mitmproxy-contentviews/src/protobuf/yaml_to_pretty.rs b/mitmproxy-contentviews/src/protobuf/yaml_to_pretty.rs
index 943f2f79..2a10971f 100644
--- a/mitmproxy-contentviews/src/protobuf/yaml_to_pretty.rs
+++ b/mitmproxy-contentviews/src/protobuf/yaml_to_pretty.rs
@@ -48,12 +48,8 @@ pub(super) fn apply_replacements(yaml_str: &str) -> anyhow::Result<String> {
         let mut repr = NumReprs::new("u32", value);
 
         let float_value = f32::from_bits(value);
-        if !float_value.is_nan() {
-            let mut float = format!("{}", float_value);
-            if !float.contains(".") {
-                float.push_str(".0");
-            }
-            repr.push("f32", float);
+        if !float_value.is_nan() && float_value.abs() > 0.0000001 {
+            repr.push("f32", format_float(float_value));
         }
 
         if value.leading_zeros() == 0 {
@@ -68,12 +64,8 @@ pub(super) fn apply_replacements(yaml_str: &str) -> anyhow::Result<String> {
         let mut repr = NumReprs::new("u64", value);
 
         let double_value = f64::from_bits(value);
-        if !double_value.is_nan() {
-            let mut double = format!("{}", double_value);
-            if !double.contains(".") {
-                double.push_str(".0");
-            }
-            repr.push("f64", double);
+        if !double_value.is_nan() && double_value.abs() > 0.0000001 {
+            repr.push("f64", format_float(double_value));
         }
 
         if value.leading_zeros() == 0 {
@@ -101,7 +93,38 @@ pub(super) fn apply_replacements(yaml_str: &str) -> anyhow::Result<String> {
     Ok(with_varint.to_string())
 }
 
+/// Ensure that floating point numbers have a ".0" component so that we roundtrip.
+fn format_float<T: Display>(val: T) -> String {
+    let mut ret = format!("{:.}", val);
+    if !ret.contains(".") {
+        ret.push_str(".0");
+    }
+    ret
+}
+
 // Decode a zigzag-encoded 64-bit integer
 fn decode_zigzag64(n: u64) -> i64 {
     ((n >> 1) as i64) ^ (-((n & 1) as i64))
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_format_float() {
+        assert_eq!(format_float(1.2345), "1.2345");
+        assert_eq!(format_float(0f32), "0.0");
+        assert_eq!(format_float(-1f64), "-1.0");
+    }
+
+    #[test]
+    fn test_decode_zigzag64() {
+        assert_eq!(decode_zigzag64(0), 0);
+        assert_eq!(decode_zigzag64(1), -1);
+        assert_eq!(decode_zigzag64(2), 1);
+        assert_eq!(decode_zigzag64(3), -2);
+        assert_eq!(decode_zigzag64(0xfffffffe), 0x7fffffff);
+        assert_eq!(decode_zigzag64(0xffffffff), -0x80000000);
+    }
+}